Sharks & Rays Elasmobranch Guide of the World Snorkelling It’s in-line design limits the

It’s in-line design limits the pressure loss inherent in “L” type first stage designs making the FDX-i more efficient and lighter due to it’s compact form

designed for regular use in sea water without any issues caused by corrosion

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single and dual bladder options and the best quality materials Hollis has always been known for

Sharks & Rays Elasmobranch Guide of the World Snorkelling It’s in-line design limits theUntil just a few decades ago, very little was known about the phylogenetically old, but very successful group of sharks, rays and chimaeras (ratfishes). Since then, a lot of information has become available on the 1000 or so living species of cartilaginous fishes. Natuarally, the reef dwellers among them are better known than their deep sea relatives. Hence the focus of species selected for this unique identification guide has been on those sharks and